This Bundle Includes: (1) Denon AVR-S510BT Receiver and (2) Polk Audio TSi400 Floorstanding Speakers Denon AVR-S510BT: The perfect combination of high performance and high value, the Denon AVR-S510BT delivers superb sonic fidelity along with a host of advanced features that includes compatibility with the latest HDMI 2.0 specification, along with the latest HDCP 2.2 specification that’s required for 4K Ultra HD copy-protected content. The video section features 5 HDMI inputs, 3 of which feature 4K Ultra HD/60 Hz full frame rate and 4:4:4 Pure Color sub-sampling pass-through for the ultimate home theater experience. Polk Audio TSi400: Whether you’re looking for speakers for your stereo music system or seeking out new front speakers for